289939520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69697}}^1$

素因数の和:69727

約数の個数: 56

約数和(自身を含む): 743538264

約数和(自身を除く): 453598744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 69697, 139394, 278788, 348485, 557576, 696970, 906061, 1115152, 1393940, 1812122, 2230304, 2787880, 3624244, 4460608, 4530305, 5575760, 7248488, 9060610, 11151520, 14496976, 18121220, 22303040, 28993952, 36242440, 57987904, 72484880, 144969760, 289939520]

約数ペア:

[(1, 289939520), (2, 144969760), (4, 72484880), (5, 57987904), (8, 36242440), (10, 28993952), (13, 22303040), (16, 18121220), (20, 14496976), (26, 11151520), (32, 9060610), (40, 7248488), (52, 5575760), (64, 4530305), (65, 4460608), (80, 3624244), (104, 2787880), (130, 2230304), (160, 1812122), (208, 1393940), (260, 1115152), (320, 906061), (416, 696970), (520, 557576), (832, 348485), (1040, 278788), (2080, 139394), (4160, 69697)]